The complementary heating system of solar energy pneumoelectric
Technical field:
The utility model relates to a kind of solar heating heating system, relates in particular to the complementary heating system of a kind of solar energy pneumoelectric.
Background technology:
In recent years, people use solar heating or provide life more and more with the scheme of hot water, but have the problem of a maximum: when a little less than the sunlight intensity, can't guarantee heating or the stability of life with hot water is provided.Existing scheme is: the heating hot water that solar thermal collector displaces is arranged after solar heat pump carries out post bake and is advanced the accumulation of energy water tank, store the heat of sunshine, carry out heating with the hot water in the accumulation of energy water tank or life hot water is provided at night, when the temperature of hot water in the accumulation of energy water tank can not meet the demands, start standby heat source the water in the accumulation of energy water tank is heated.Two shortcomings have been done like this, first: when sunlight intensity is strong, there is no need; Second: when long-time rainy weather, solar heat pump can't move.
The utility model content:
The purpose of this utility model is to provide a kind of heating effect that promptly guarantees, again the complementary heating system of the solar energy pneumoelectric of energy savings.
The utility model is implemented by following technical scheme: the complementary heating system of solar energy pneumoelectric, it comprises solar thermal collector, accumulation of energy water tank and electric heater, and described solar thermal collector is communicated with the inlet tube and outlet tube of described accumulation of energy water tank by described solar thermal collector; On the heating outlet pipe of described accumulation of energy water tank, be provided with described electric heater; It also comprises heating water return temperature sensor, the direct heating tube of backwater, heating water return temperature-sensing valve, the direct heating temperature control valve of backwater, water tank leaving water temperature sensor, heat collector work temperature-sensing valve, heat collector leaving water temperature sensor, water tank water intake temperature-sensing valve, heating leaving water temperature sensor, water tank water outlet temperature-sensing valve, air source heat pump, direct heating temperature control valve and post bake temperature-sensing valve, is provided with described heating water return temperature sensor on the heating water return pipe of described accumulation of energy water tank; On the described heating water return pipe between described heating water return temperature sensor and the described accumulation of energy water tank, be provided with direct heating tube of described backwater and described heating water return temperature-sensing valve successively; Direct heating tube one end of described backwater is communicated with described heating water return pipe, and the direct heating tube other end of described backwater is communicated with described electric heater; On the direct heating tube of described backwater, be provided with the direct heating temperature control valve of described backwater; To the described solar thermal collector water inlet pipe of described solar thermal collector, be provided with described water tank leaving water temperature sensor and described heat collector work temperature-sensing valve at described accumulation of energy water tank successively; To the described solar thermal collector outlet pipe of described accumulation of energy water tank, be provided with described heat collector leaving water temperature sensor and water tank water intake temperature-sensing valve at described solar thermal collector successively; To the described heating outlet pipe of described electric heater, be provided with described heating leaving water temperature sensor and described water tank water outlet temperature-sensing valve at described accumulation of energy water tank successively; The water inlet pipe of described air source heat pump comprises direct heating water inlet pipe and post bake water inlet pipe; Described solar thermal collector water inlet pipe is communicated with described direct heating water inlet pipe; On described direct heating water inlet pipe, be provided with described direct heating temperature control valve; Described solar thermal collector outlet pipe is communicated with described post bake water inlet pipe; On described post bake water inlet pipe, be provided with described post bake temperature-sensing valve; The outlet pipe of described air source heat pump is communicated with described accumulation of energy water tank; On described air source heat pump outlet pipe, be provided with non-return valve; Described heating water return temperature sensor and described electric heater, described heating water return temperature-sensing valve, the direct heating temperature control valve of described backwater and described water tank water outlet temperature-sensing valve are chain, and described heating water return temperature sensor is controlled the switching of described electric heater, described heating water return temperature-sensing valve, the direct heating temperature control valve of described backwater and described water tank water outlet temperature-sensing valve; Described water tank leaving water temperature sensor and described heat collector work temperature-sensing valve and described direct heating temperature control valve are chain, and described water tank leaving water temperature sensor is controlled the switching of described heat collector work temperature-sensing valve and described direct heating temperature control valve; Described heat collector leaving water temperature sensor and described water tank water intake temperature-sensing valve and described post bake temperature-sensing valve are chain, described heat collector leaving water temperature sensor is controlled the switching of described water tank water intake temperature-sensing valve and described post bake temperature-sensing valve, described heating leaving water temperature sensor and described electric heater are chain, and described heating leaving water temperature sensor is controlled the switching of described electric heater.
Advantage of the present utility model: low-carbon (LC), environmental protection, simple in structure, easy to maintenance, the solar energy utilization ratio height promptly guarantees the heating effect, again energy savings.
Description of drawings:
Fig. 1 is a connection diagram of the present utility model.
Solar thermal collector 1, accumulation of energy water tank 2, electric heater 3, solar thermal collector water inlet pipe 4, solar thermal collector outlet pipe 5, heating outlet pipe 6, heating water return temperature sensor 7, the direct heating tube 8 of backwater, heating water return temperature-sensing valve 9, the direct heating temperature control valve 10 of backwater, water tank leaving water temperature sensor 11, heat collector work temperature-sensing valve 12, heat collector leaving water temperature sensor 13, water tank water intake temperature-sensing valve 14, heating leaving water temperature sensor 15, water tank water outlet temperature-sensing valve 16, air source heat pump 17, direct heating temperature control valve 18, post bake temperature-sensing valve 19, heating water return pipe 20, directly heat water inlet pipe 21, post bake water inlet pipe 22, air source heat pump outlet pipe 23, non-return valve 24.
The specific embodiment:
As shown in Figure 1, the complementary heating system of solar energy pneumoelectric, it comprises solar thermal collector 1, accumulation of energy water tank 2 and electric heater 3, solar thermal collector 1 is communicated with by solar thermal collector water inlet pipe 4 and solar thermal collector outlet pipe 5 with accumulation of energy water tank 2; On the heating outlet pipe 6 of accumulation of energy water tank 2, be provided with electric heater 3; It also comprises heating water return temperature sensor 7, the direct heating tube 8 of backwater, heating water return temperature-sensing valve 9, the direct heating temperature control valve 10 of backwater, water tank leaving water temperature sensor 11, heat collector work temperature-sensing valve 12, heat collector leaving water temperature sensor 13, water tank water intake temperature-sensing valve 14, heating leaving water temperature sensor 15, water tank water outlet temperature-sensing valve 16, air source heat pump 17, direct heating temperature control valve 18 and post bake temperature-sensing valve 19; On the heating water return pipe 20 of accumulation of energy water tank 2, be provided with heating water return temperature sensor 7; On the heating water return pipe 20 between heating water return temperature sensor 7 and the accumulation of energy water tank 2, be provided with direct heating tube 8 of backwater and heating water return temperature-sensing valve 9 successively; Direct heating tube 8 one ends of backwater are communicated with heating water return pipe 20, and direct heating tube 8 other ends of backwater are communicated with electric heater 3; On the direct heating tube 20 of backwater, be provided with the direct heating temperature control valve 10 of backwater; To the solar thermal collector water inlet pipe 4 of solar thermal collector 1, be provided with water tank leaving water temperature sensor 11 and heat collector work temperature-sensing valve 12 at accumulation of energy water tank 2 successively; To the solar thermal collector outlet pipe 5 of accumulation of energy water tank 2, be provided with heat collector leaving water temperature sensor 13 and water tank water intake temperature-sensing valve 14 at solar thermal collector 1 successively; To the heating outlet pipe 6 of electric heater 3, be provided with heating leaving water temperature sensor 15 and water tank water outlet temperature-sensing valve 16 at accumulation of energy water tank 2 successively; The water inlet pipe of air source heat pump 17 comprises direct heating water inlet pipe 21 and post bake water inlet pipe 22; Solar thermal collector water inlet pipe 4 is communicated with direct heating water inlet pipe 21; Directly be provided with direct heating temperature control valve 18 on the heating water inlet pipe 21; Solar thermal collector outlet pipe 5 is communicated with post bake water inlet pipe 22; On post bake water inlet pipe 22, be provided with post bake temperature-sensing valve 19; Air source heat pump outlet pipe 23 is communicated with accumulation of energy water tank 2; On air source heat pump outlet pipe 23, be provided with non-return valve 24; Heating water return temperature sensor 7 is chain with electric heater 3, heating water return temperature-sensing valve 9, the direct heating temperature control valve 10 of backwater and water tank water outlet temperature-sensing valve 16, the switching of heating water return temperature sensor 7 control electric heaters 3, heating water return temperature-sensing valve 9, the direct heating temperature control valve 10 of backwater and water tank water outlet temperature-sensing valve 16; Water tank leaving water temperature sensor 11 is with heat collector work temperature-sensing valve 12 and directly heating temperature control valve 18 is chain, 11 control heat collector work temperature-sensing valve 12 and the directly switchings of heating temperature control valve 18 of water tank leaving water temperature sensor; Heat collector leaving water temperature sensor 13 is chain with water tank water intake temperature-sensing valve 14 and post bake temperature-sensing valve 19, the switching of heat collector leaving water temperature sensor 13 control water tank water intake temperature-sensing valves 14 and post bake temperature-sensing valve 19, heating leaving water temperature sensor 15 is chain with electric heater 3, the switching of heating leaving water temperature sensor 3 control electric heaters 3.
Method of work:
When the water temperature in the heating water return pipe 20 was lower than the setting value of heating water return temperature sensor 7: heating water return temperature sensor 7 control heating water return temperature-sensing valves 9 and water tank water outlet temperature-sensing valve 16 were closed, the direct heating temperature control valve 10 of backwater is opened, electric heater 3 work, water in the heating water return pipe 20 directly by electric heater 3 heating, offers hot user by the direct heating tube 8 of backwater;
When the water temperature in the heating water return pipe 20 was higher than the setting value of heating water return temperature sensor 7: heating water return temperature sensor 7 control heating water return temperature-sensing valves 9 and water tank water outlet temperature-sensing valve 16 were opened, the direct heating temperature control valve 10 of backwater cuts out, and the water in the heating water return pipe 20 enters accumulation of energy water tank 2; At this moment, when the water temperature in the solar thermal collector water inlet pipe 4 is higher than the limit value of water tank leaving water temperature sensor 11, leaving water temperature sensor 11 control heat collector work temperature-sensing valves 12 cut out, directly heating temperature control valve 18 is opened, the water of solar thermal collector water inlet pipe 4 directly enters air source heat pump 17 heating, and enters accumulation of energy water tank 2 by air source heat pump outlet pipe 23; When the water temperature in the solar thermal collector water inlet pipe 4 is lower than the setting value of water tank leaving water temperature sensor 11, leaving water temperature sensor 11 control heat collector work temperature-sensing valves 12 are opened, directly heating temperature control valve 18 cuts out, and the water of solar thermal collector water inlet pipe 4 directly enters solar thermal collector 1 and heats; When the water temperature in the solar thermal collector outlet pipe 5 was higher than the setting value of heat collector leaving water temperature sensor 13: heat collector leaving water temperature sensor 13 control water tank water intake temperature-sensing valves 14 were opened, post bake temperature-sensing valve 19 cuts out, and the water of solar thermal collector 1 heating directly enters accumulation of energy water tank 2; When the water temperature in the solar thermal collector outlet pipe 5 was lower than the setting value of heat collector leaving water temperature sensor 13: heat collector leaving water temperature sensor 13 control water tank water intake temperature-sensing valves 14 cut out, post bake temperature-sensing valve 19 is opened, the water of solar thermal collector 1 heating enters air source heat pump 17 and carries out post bake, and enters accumulation of energy water tank 2 by air source heat pump outlet pipe 23;
When the water temperature in the heating outlet pipe 6 was lower than the setting value of heating leaving water temperature sensor 15: electric heater 3 was started working; Otherwise then electric heater 3 is not worked.